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1 package IMPL::DOM::Node;
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2 use strict;
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3 use warnings;
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4
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5 use base qw(IMPL::Object IMPL::Object::Serializable IMPL::Object::Autofill);
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6
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4
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7 use IMPL::Object::List;
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8 use IMPL::Class::Property;
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9 use IMPL::Class::Property::Direct;
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10 use Scalar::Util qw(weaken);
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11
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1
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12 use IMPL::Exception;
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13
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14 __PACKAGE__->PassThroughArgs;
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15
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16 BEGIN {
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4
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17 public _direct property nodeName => prop_get | owner_set;
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18 public _direct property isComplex => { get => \&_getIsComplex } ;
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19 public _direct property nodeValue => prop_all;
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20 public _direct property childNodes => { get => \&_getChildNodes };
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21 public _direct property parentNode => prop_get ;
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22 private _direct property _propertyMap => prop_all;
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23 }
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24
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25 sub CTOR {
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26 my ($this,$name) = @_;
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27
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28 $this->nodeName($name) or die new IMPL::InvalidArgumentException("A name is required");
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29 $this->_propertyMap({});
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30 }
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31
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32 sub insertNode {
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33 my ($this,$node,$pos) = @_;
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4
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34
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35 die new IMPL::InvalidOperationException("You can't insert the node to itselft") if $this == $node;
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36
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37 $node->{$parentNode}->removeNode($node) if ($node->{$parentNode});
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38
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39 $this->childNodes->InsertAt($pos,$node);
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40
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41 $node->_setParent( $this );
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42
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43 return $node;
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44 }
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45
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46 sub _getChildNodes {
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47 my ($this) = @_;
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48
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49 $this->{$childNodes} = new IMPL::Object::List() unless $this->{$childNodes};
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50 $this->{$childNodes};
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51 }
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52
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53 sub removeNode {
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54 my ($this,$node) = @_;
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55
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56 if ($this == $node->{$parentNode}) {
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57 $this->childNodes->RemoveItem($node);
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58 $node->{$parentNode} = undef;
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59 return $this;
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60 } else {
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61 die new IMPL::InvalidOperationException("The specified node isn't belong to this node");
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62 }
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63 }
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64
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65 sub removeAt {
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66 my ($this,$pos) = @_;
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67
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68 if ( my $node = $this->childNodes->RemoveAt($pos) ) {
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69 $node->{$parentNode} = undef;
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70 return $node;
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71 } else {
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72 return undef;
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73 }
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74 }
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75
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76 sub selectNodes {
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77 my ($this,$name) = @_;
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78
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79 my @result = grep $_->nodeName eq $name, @{$this->childNodes};
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80
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81 return wantarray ? @result : \@result;
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82 }
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83
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84 sub _getIsComplex {
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85 $_[0]->childNodes->Count ? 1 : 0;
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86 }
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87
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88 sub _setParent {
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89 my ($this,$parentNode) = @_;
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90
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91 $this->{$parentNode} = $parentNode;
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92 weaken($this->{$parentNode});
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93 }
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94
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95 sub text {
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96 my ($this) = @_;
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97
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98 join '', $this->nodeValue, map $_->nodeValue, @{$this->childNodes};
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99 }
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100
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101 sub Property {
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102 my $this = shift;
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103 my $name = shift;
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104
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105 if (@_) {
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106 # set
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107 return $this->_propertyMap->{$name} = shift;
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108 } else {
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109 return $this->_propertyMap->{$name};
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110 }
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111 }
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112
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113 1;
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